Pierre MontebelloPhilosopher, teaches modern and contemporary philosophy, metaphysics and esthetics at Université Toulouse le MirailCyrille NoirjeanDirector of the URDLA (international printing and book center), psychoanalyst (member of the ALI)Bertrand PrévostHistorian and art theorist, HDR lecturer in art history and aesthetics at Université Bordeaux-MontaigneAlexander WajnbergScientific journalist at RTBF (Radio One, Brussels)